2.36*9.9+0.236用简便方法计算
问题描述：
2.36*9.9+0.236用简便方法计算
答
2.36×9.9十0.236
=2.36×9.9十2.36×0.1
=2.36×(9.9十0.1)
=2.36×10
=23.6